summaryrefslogtreecommitdiff
path: root/include
diff options
context:
space:
mode:
Diffstat (limited to 'include')
-rw-r--r--include/net/cfg802154.h10
-rw-r--r--include/net/mac802154.h12
2 files changed, 22 insertions, 0 deletions
diff --git a/include/net/cfg802154.h b/include/net/cfg802154.h
index 6ed07844eb24..833672d6fbe4 100644
--- a/include/net/cfg802154.h
+++ b/include/net/cfg802154.h
@@ -227,6 +227,16 @@ static inline void wpan_phy_net_set(struct wpan_phy *wpan_phy, struct net *net)
write_pnet(&wpan_phy->_net, net);
}
+/**
+ * struct ieee802154_addr - IEEE802.15.4 device address
+ * @mode: Address mode from frame header. Can be one of:
+ * - @IEEE802154_ADDR_NONE
+ * - @IEEE802154_ADDR_SHORT
+ * - @IEEE802154_ADDR_LONG
+ * @pan_id: The PAN ID this address belongs to
+ * @short_addr: address if @mode is @IEEE802154_ADDR_SHORT
+ * @extended_addr: address if @mode is @IEEE802154_ADDR_LONG
+ */
struct ieee802154_addr {
u8 mode;
__le16 pan_id;
diff --git a/include/net/mac802154.h b/include/net/mac802154.h
index d524ffb9eb25..2c3bbc6645ba 100644
--- a/include/net/mac802154.h
+++ b/include/net/mac802154.h
@@ -464,6 +464,12 @@ void ieee802154_rx_irqsafe(struct ieee802154_hw *hw, struct sk_buff *skb,
* ieee802154_wake_queue - wake ieee802154 queue
* @hw: pointer as obtained from ieee802154_alloc_hw().
*
+ * Tranceivers usually have either one transmit framebuffer or one framebuffer
+ * for both transmitting and receiving. Hence, the core currently only handles
+ * one frame at a time for each phy, which means we had to stop the queue to
+ * avoid new skb to come during the transmission. The queue then needs to be
+ * woken up after the operation.
+ *
* Drivers should use this function instead of netif_wake_queue.
*/
void ieee802154_wake_queue(struct ieee802154_hw *hw);
@@ -472,6 +478,12 @@ void ieee802154_wake_queue(struct ieee802154_hw *hw);
* ieee802154_stop_queue - stop ieee802154 queue
* @hw: pointer as obtained from ieee802154_alloc_hw().
*
+ * Tranceivers usually have either one transmit framebuffer or one framebuffer
+ * for both transmitting and receiving. Hence, the core currently only handles
+ * one frame at a time for each phy, which means we need to tell upper layers to
+ * stop giving us new skbs while we are busy with the transmitted one. The queue
+ * must then be stopped before transmitting.
+ *
* Drivers should use this function instead of netif_stop_queue.
*/
void ieee802154_stop_queue(struct ieee802154_hw *hw);